Stabilizing remote entanglement via waveguide dissipation

PS Shah, F Yang, C Joshi, M Mirhosseini - PRX Quantum, 2024 - APS
Distributing entanglement between remote sites is integral to quantum networks. Here, we
demonstrate the autonomous stabilization of remote entanglement between a pair of …

Autonomous distribution of programmable multiqubit entanglement in a dual-rail quantum network

J Agustí, XHH Zhang, Y Minoguchi, P Rabl - Physical Review Letters, 2023 - APS
We propose and analyze a scalable and fully autonomous scheme for preparing spatially
distributed multiqubit entangled states in a dual-rail waveguide QED setup. In this approach …

Squeezed superradiance enables robust entanglement-enhanced metrology even with highly imperfect readout

M Koppenhöfer, P Groszkowski, AA Clerk - Physical Review Letters, 2023 - APS
Quantum metrology protocols using entangled states of large spin ensembles attempt to
achieve measurement sensitivities surpassing the standard quantum limit (SQL), but in …

Multimer states in multilevel waveguide QED

J Shi, AN Poddubny - Physical Review A, 2024 - APS
We study theoretically the interplay of spontaneous emission and interactions for the
multiple-excited quasistationary eigenstates in a finite periodic array of multilevel atoms …

Exponentially faster preparation of quantum dimers via driven-dissipative stabilization

KH Lim, WK Mok, JB You, JF Kong… - Physical Review …, 2024 - APS
We propose a rapid, high-fidelity, and noise-resistant scheme to generate many-body
entanglement between multiple qubits stabilized by dissipation into a 1D bath. Using a …

Critical steady states of all-to-all squeezed and driven superradiance: An analytic approach

D Barberena, AM Rey - Physical Review A, 2024 - APS
We analyze the properties across steady-state phase transitions of two all-to-all driven-
dissipative spin models that describe possible dynamics of N two-level systems inside an …

Quantum phase transition and entanglement entropy in the Dicke model with a squeezed light

LT Shen, XT Pei, ZC Shi, ZB Yang - The European Physical Journal D, 2024 - Springer
Superradiant phase transition and entanglement entropy in the Dicke model with a
squeezed light are investigated. We find a special rotation coordinate system mapping the …

Rapid generation of high fidelity, dissipation-stabilized dimerized chain

KH Lim, WK Mok, JB You, JF Kong… - arXiv preprint arXiv …, 2023 - arxiv.org
Despite the many proposals to use dissipation as a resource to prepare long-lived
entangled states, the speed of such entanglement generation is usually limited by the …